453989980 has 12 divisors (see below), whose sum is σ = 953379000. Its totient is φ = 181595984.

The previous prime is 453989959. The next prime is 453990013. The reversal of 453989980 is 89989354.

It is a super-2 number, since 2×453989980² = 412213803880800800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11349730 + ... + 11349769.

It is an arithmetic number, because the mean of its divisors is an integer number (79448250).

Almost surely, 2^453989980 is an apocalyptic number.

It is an amenable number.

453989980 is an abundant number, since it is smaller than the sum of its proper divisors (499389020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

453989980 is a wasteful number, since it uses less digits than its factorization.

453989980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22699508 (or 22699506 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 453989980 is about 21307.0406204147. The cubic root of 453989980 is about 768.5676300385.

The spelling of 453989980 in words is "four hundred fifty-three million, nine hundred eighty-nine thousand, nine hundred eighty".